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freeboard

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noun free·board \ˈfrē-ˌbȯrd\

Definition of freeboard

  1. 1 :  the distance between the waterline and the main deck or weather deck of a ship or between the level of the water and the upper edge of the side of a small boat

  2. 2 :  the height above the recorded high-water mark of a structure (as a dam) associated with the water




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